-1

$\sqrt{3}$

$\frac{1}{\sqrt{3}}$

1

2

abc

$0$

$a^2{b}^2{c}^2$

$A\cup B$

$A\cap B$

$A\supset B$

$A\subset B$

1

-1

2

-2

(-1,-2)

(-1,2)

(1,-2)

(1,2)

x = nπ

x = 2nπ

x = (2n+1)π

x= nπ +α

17ft/s

15ft/s

12ft/s

18ft/s.

5x $-$4y+7=0

4x $-$ 5y + 32 = 0

4x $-$ 5y $-$ 32 = 0

কোনটিই নয়

$\sqrt{2 } \cos 20°$

$\cos 20°$

$\frac{1}{\sqrt{2}}\cos 20°$

$\cos 45°$

3/8

4/7

5/9

In2

36000

20000

150

1575

-3 +i

3 +i

3 -1

কোনোটিই নয়

log x-1

log x+1

x (log x+1)

x (log x-1)

$\frac{y+x \log y}{y \log x+x}$

$\frac{x+y \log y}{x \log x+y}$

$\frac{y\left(y+x \log y\right)}{x\left(x \log x+x\right)}$

$\frac{y\left(y+x \log y\right)}{x\left(y \log x-x\right)}$

$\frac{9}{5}$

$\frac{5}{9}$

$\frac{3}{5}$

$\frac{1}{5}$